G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 8/10 (2006.01) G06T 7/20 (2006.01) G08B 21/00 (2006.01) G08B 21/08 (2006.01)
Patent
CA 2436964
The invention concerns a method for detecting an object (601) in a zone (603) located proximate to an interface (602) between two liquid (604) and/or gaseous media having different refractive indices, in particular of the air/water type. The method comprises: a step which consists in producing at least a video image of said interface (602) and of said zone (603); a step which consists in producing electric signals (608) representing each video image; a step which consists in digitising the electric signals (608); a step which consists in processing said data by discriminating the data corresponding to the video image of a real object (601) from those corresponding to the apparent video image generated by said interface (602).
L'invention concerne un procédé pour détecter un corps (601) dans une zone (603) située à proximité d'une interface (602) entre deux milieux liquides (604) et/ou gazeux (605) ayant des indices de réfraction différents, notamment du type eau/air. Le procédé comprend: l'étape de réaliser au moins une image vidéo de ladite interface (602) et de ladite zone (603), à partir d'au moins un point d'observation (607). L'étape de produire des signaux électriques (608) représentatifs de chaque image vidéo; l'étape de numériser les signaux électriques (608). L'étape de traiter lesdites données en discriminant les données correspondant à l'image vidéo d'un corps (601) réel de celles correspondant à l'image vidéo apparente générée par ladite interface (602).
Guichard Frederic
Lefebure Martin
Meniere Jerome
Migliorini Christophe
Goudreau Gage Dubuc
Poseidon
Vision-Iq
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